import unittest
from city_functions_11_3 import city_function

class CityFunctionTest(unittest.TestCase):
    """测试11_1_city_functions.py"""

    def test_city_function(self):
        """能够正确的处理吉林，中国这样的城市吗"""
        chengxujieguo=city_function('吉林','中国')
        self.assertEqual(chengxujieguo,'吉林，中国')

unittest.main()
